[英]Tab in TabLayout (Android Support Design) doesn't inflate content
我有一个tablayout
,来自android设计支持库:
compile 'com.android.support:design:23.0.1'
有了这个,我想填充我的标签。 但我没有那样做。 我可以创建标签,但是它们无法夸大各自的内容:
它应该有来自LinearListView
条目,一个类似于从该框架导入的ListView
的对象:
compile 'com.github.frankiesardo:linearlistview:1.0.1@aar'
我尝试了很多例子,但是我没有填充每个标签。 有什么建议?
码:
JAVA:
从主要片段:
OverviewTabLayoutPagerAdapter adapter = new OverviewTabLayoutPagerAdapter(getActivity().getSupportFragmentManager(), productDataContent, getContext());
ViewPager viewPager = (ViewPager) view.findViewById(R.id.viewpager);
viewPager.setAdapter(adapter);
TabLayout tabLayout = (TabLayout) view.findViewById(R.id.tablayout);
tabLayout.setupWithViewPager(viewPager);
OverviewTabLayoutPagerAdapter:
public class OverviewTabLayoutPagerAdapter extends FragmentPagerAdapter {
final int PAGE_COUNT = 3;
private String tabTitles[] = new String[] { "REVIEWS", "VIDEOS", "DEALS" };
private SearchContent productDataContent;
private Context context;
public OverviewTabLayoutPagerAdapter(FragmentManager fm, SearchContent productDataContent, Context context) {
super(fm);
this.productDataContent = productDataContent;
this.context = context;
}
@Override
public int getCount() {
return PAGE_COUNT;
}
@Override
public Fragment getItem(int position) {
Log.i("TAB_POSITION", String.valueOf(position));
if (position == 0) {
return OverviewTab1Fragment.newInstance(position, productDataContent);
} else if (position == 1) {
return OverviewTab2Fragment.newInstance(position, productDataContent);
} else if (position == 2) {
return OverviewTab3Fragment.newInstance(position, productDataContent);
}
return OverviewTab1Fragment.newInstance(position, productDataContent);
}
@Override
public CharSequence getPageTitle(int position) {
// Generate title based on item position
return tabTitles[position];
}
OverviewTab * Fragment :( *表示相同的代码结构适用于每个片段):
public class OverviewTab*Fragment extends Fragment {
public static final String ARG_PAGE = "ARG_PAGE";
public static final String PRODUCT_DATA_CONTENT = "PRODUCT_DATA_CONTENT";
private int mPage;
private SearchContent productDataContent;
public static OverviewTab*Fragment newInstance(int page, SearchContent productDataContent) {
OverviewTab*Fragment fragment = new OverviewTab*Fragment();
Bundle args = new Bundle();
args.putInt(ARG_PAGE, page);
args.putSerializable(PRODUCT_DATA_CONTENT, productDataContent);
fragment.setArguments(args);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mPage = getArguments().getInt(ARG_PAGE);
productDataContent = (SearchContent) getArguments().getSerializable(PRODUCT_DATA_CONTENT);
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.overview_tab_fragment, container, false);
LinearListView tabContentListView = (LinearListView) view.findViewById(R.id.product_content_linear_list_view);
populateOverviewTab*LinearLayout(tabContentListView, productDataContent);
return view;
}
private void populateOverviewTab*LinearLayout(LinearListView tabContentListView, SearchContent productDataContent) {
ArrayList<> productData = productDataContent.getContent();
OverviewTab*ArrayAdapter overviewTab*ArrayAdapter = new OverviewVideosArrayAdapter(
getContext(),
tabContentListView,
productData,
getActivity()
);
tabContentListView.setAdapter(overviewTab*ArrayAdapter);
...
XML:
从主要片段:
...
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/go_to_store_button"
android:orientation="vertical">
<android.support.design.widget.TabLayout
android:id="@+id/tablayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:tabGravity="fill" />
<android.support.v4.view.ViewPager
android:id="@+id/viewpager"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"/>
</LinearLayout>
...
overview_tab_fragment.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<com.linearlistview.LinearListView
android:id="@+id/product_content_linear_list_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:showDividers="end"
android:dividerPadding="5dp"
app:dividerThickness="2dp">
</com.linearlistview.LinearListView>
</RelativeLayout>
你可以改变:
@Override
public Fragment getItem(int position) {
Log.i("TAB_POSITION", String.valueOf(position));
if (position == 0) {
return OverviewTab1Fragment.newInstance(position, productDataContent);
} else if (position == 1) {
return OverviewTab2Fragment.newInstance(position, productDataContent);
} else if (position == 2) {
return OverviewTab3Fragment.newInstance(position, productDataContent);
}
return OverviewTab1Fragment.newInstance(position, productDataContent);
}
为了这:
@Override
public Fragment getItem(int position) {
Log.i("TAB_POSITION", String.valueOf(position));
if (position == 0) {
return OverviewTab1Fragment.instantiate(context, productDataContent);
} else if (position == 1) {
return OverviewTab2Fragment.instantiate(context, productDataContent);
} else if (position == 2) {
return OverviewTab3Fragment.instantiate(context, productDataContent);
}
return OverviewTab1Fragment.instantiate(context, productDataContent);
}
UPDATE
这是Fragment in Array的一个例子:
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.util.SparseArray;
import android.view.ViewGroup;
public class TabsViewPagerAdapter extends FragmentStatePagerAdapter {
private CharSequence titlesArray[]; // This will Store the Titles of the Tabs which are Going to be passed when TabsViewPagerAdapter is created
private Fragment tabsArray[];
private SparseArray<Fragment> registeredFragments;
// Build a Constructor and assign the passed Values to appropriate values in the class
public TabsViewPagerAdapter(FragmentManager fm, CharSequence titlesArray[], Fragment[] tabsArray) {
super(fm);
this.titlesArray = titlesArray;
this.tabsArray = tabsArray;
this.registeredFragments = new SparseArray<>();
}
//This method return the fragment for the every position in the View Pager
@Override
public Fragment getItem(int position) {
return tabsArray[position];
}
// This method return the titles for the Tabs in the Tab Strip
@Override
public CharSequence getPageTitle(int position) {
return titlesArray[position];
}
// This method return the Number of tabs for the tabs Strip
@Override
public int getCount() {
return titlesArray.length;
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
Fragment fragment = (Fragment) super.instantiateItem(container, position);
registeredFragments.put(position, fragment);
return fragment;
}
public Fragment getRegisteredFragment(int position) {
return registeredFragments.get(position);
}
}
在Java中,您可以创建适配器:
String[] tabTitles = new String[]{"Tab1", "Tab2", "Tab3"};
Fragment[] tabsArray = new Fragment[]{new OverviewTab1Fragment(), new OverviewTab2Fragment(), new OverviewTab3Fragment()};
adapter = new TabsViewPagerAdapter(getSupportFragmentManager(), tabTitles, tabsArray);
片段是这样的:
import android.support.v4.app.Fragment;
public class OverviewTab1Fragment extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.yourFragmentLayout, container, false);
return v;
}
}
我希望能帮助你。
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